Publications by authors named "Schmid B"

Introduction: The rapid adoption of electronic health record (EHR) systems has resulted in extensive archives of data relevant to clinical research, hospital operations, and the development of learning health systems. However, EHR data are not frequently available, cleaned, standardized, validated, and ready for use by stakeholders. We describe an in-progress effort to overcome these challenges with cooperative, systematic data extraction and validation.

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Dysregulation at the intestinal epithelial barrier is a driver of inflammatory bowel disease (IBD). However, the molecular mechanisms of barrier failure are not well understood. Here, we demonstrate dysregulated mitochondrial fusion in intestinal epithelial cells (IECs) of patients with IBD and show that impaired fusion is sufficient to drive chronic intestinal inflammation.

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  • Understanding how both plants and soil organisms respond to global changes is vital for ecosystem health and biodiversity.
  • The study analyzes a large dataset to show that global change factors boost plant biomass but reduce plant species diversity, while the effects on soil organisms vary and are unpredictable.
  • The findings emphasize the need for integrated research that considers both aboveground and belowground interactions to better anticipate the impacts of global environmental changes.
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Radical treatment for prostate cancer is associated with significant morbidity. Percutaneous image-guided irreversible electroporation is a non-thermal ablative technique that has emerged as a valuable option. This study describes the case of a patient with prostate cancer who was successfully treated using irreversible electroporation.

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Multispecies planting is an important approach to deliver ecosystem functions in afforestation projects. However, the importance of species richness vs specific species composition in this context remains unresolved. To estimate species or functional group richness and compositional change between two communities, we calculated nestedness, where one community contains a subset of the species of another, and turnover, where two communities differ in species composition but not in species richness.

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  • * Analysis of data from over 1 million forest plots and thousands of tree species shows that wood density varies significantly by latitude, being up to 30% denser in tropical forests compared to boreal forests, and is influenced mainly by temperature and soil moisture.
  • * The research also finds that disturbances like human activity and fire alter wood density at local levels, affecting forest carbon stock estimates by up to 21%, emphasizing the importance of understanding environmental impacts on forest ecosystems.
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Genetically diverse populations can increase plant resistance to natural enemies. Yet, beneficial genotype pairs remain elusive due to the occurrence of positive or negative effects of mixed planting on plant resistance, respectively called associational resistance or susceptibility. Here, we identify key genotype pairs responsible for associational resistance to herbivory using the genome-wide polymorphism data of the plant species Arabidopsis thaliana.

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Aims: Pharmacotherapeutic options for obesity treatment include glucagon-like peptide-1 receptor (GLP-1R) agonists, for example, liraglutide. However, an unmet need remains, particularly in patients with a high body mass index (BMI), as GLP-1R agonists are associated with gastrointestinal adverse events (AEs) and some patients do not respond to treatment. Neuropeptide Y (NPY) and peptide YY bind G-protein-coupled Y receptors and represent attractive targets for modulating bodyweight.

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Objective: This study assessed the cost-effectiveness of radiofrequency ablation compared with percutaneous ethanol injection in patients with early hepatocellular carcinoma in relation to the objective response rate and costs related to the procedure.

Methods: This was a prospective single-center randomized trial. The primary outcome was cost-effectiveness.

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Background: Bronchial stenosis associated with bronchial anastomosis dehiscence after lung transplantation is a catastrophic complication following lung transplantation with a paucity of therapeutic solutions.

Purpose: To describe an adaptation of the parallel stent grafting technique in the pulmonary arterial territory to treat this challenging situation.

Research Design: This is a case report of a 52-year-old patient who presented bronchus stenosis and bronchial anastomosis dehiscence after lung transplantion.

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  • Acute lymphoblastic leukemia (ALL) is the most prevalent cancer in children, and while initial treatment outcomes are typically positive, relapses lead to poor prognoses.
  • The study introduced a zebrafish xenotransplantation model for better understanding the complex interactions between leukemic cells and their tumor microenvironment, enhancing the ability to analyze cell behavior in real-time.
  • Findings revealed that leukemic cells proliferated in a specific hematopoietic niche and displayed distinct patterns of movement, forming clusters, which could help researchers investigate how niche interactions contribute to leukemia progression and relapse.
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Ecosystem functioning depends on biodiversity at multiple trophic levels, yet relationships between multitrophic diversity and ecosystem multifunctionality have been poorly explored, with studies often focusing on individual trophic levels and functions and on specific ecosystem types. Here, we show that plant diversity can affect ecosystem functioning both directly and by affecting other trophic levels. Using data on 13 trophic groups and 13 ecosystem functions from two large biodiversity experiments-one representing temperate grasslands and the other subtropical forests-we found that plant diversity increases multifunctionality through elevated multitrophic diversity.

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The decline in global plant diversity has raised concerns about its implications for carbon fixation and global greenhouse gas emissions (GGE), including carbon dioxide (CO), nitrous oxide (NO) and methane (CH). Therefore, we conducted a comprehensive meta-analysis of 2103 paired observations, examining GGE, soil organic carbon (SOC) and plant carbon in plant mixtures and monocultures. Our findings indicate that plant mixtures decrease soil NO emissions by 21.

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Global patterns of leaf nitrogen (N) and phosphorus (P) stoichiometry have been interpreted as reflecting phenotypic plasticity in response to the environment, or as an overriding effect of the distribution of species growing in their biogeochemical niches. Here, we balance these contrasting views. We compile a global dataset of 36,413 paired observations of leaf N and P concentrations, taxonomy and 45 environmental covariates, covering 7,549 sites and 3,700 species, to investigate how species identity and environmental variables control variations in mass-based leaf N and P concentrations, and the N:P ratio.

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Background: The key pathological signature of ALS/ FTLD is the mis-localization of endogenous TDP-43 from the nucleus to the cytoplasm. However, TDP-43 gain of function in the cytoplasm is still poorly understood since TDP-43 animal models recapitulating mis-localization of endogenous TDP-43 from the nucleus to the cytoplasm are missing.

Methods: CRISPR/Cas9 technology was used to generate a zebrafish line (called CytoTDP), that mis-locates endogenous TDP-43 from the nucleus to the cytoplasm.

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Purpose: To describe a single-center experience with robotic-assisted endovascular treatment for transplant renal artery stenosis.

Materials And Methods: This is a single-center, retrospective, feasibility study of 4 consecutive cases of robotic-assisted endovascular surgery for transplant renal artery stenosis from October 2021 to August 2022.

Results: All lesions were identified, and stenting was performed with no complications.

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Article Synopsis
  • BACE1 is a key target for Alzheimer's treatment, but existing drugs also affect BACE2, a related protease with unclear functions.
  • Researchers found that BACE2 is responsible for shedding VEGFR3, a receptor linked to lymphatic growth; blocking BACE2 increases the receptor levels and its signaling in lymphatic cells.
  • This study highlights sVEGFR3 as a valuable blood marker for BACE2 activity, paving the way for safer Alzheimer's drugs that selectively inhibit BACE1.
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Background & Aims: Survodutide is a glucagon/glucagon-like peptide-1 receptor dual agonist in development for the treatment of metabolic dysfunction-associated steatohepatitis (MASH). We investigated the pharmacokinetic and safety profile of survodutide in people with cirrhosis.

Methods: This multinational, non-randomized, open-label, phase I clinical trial initially evaluated a single subcutaneous dose of survodutide 0.

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  • - The study investigates the relationship between tree species diversity and community productivity in forest ecosystems, focusing on the roles of different mycorrhizal associations (arbuscular and ectomycorrhizal fungi) in this relationship.
  • - Results showed that higher tree species richness generally enhances community productivity, particularly when both types of mycorrhizal trees coexist, likely due to complementary interactions between them.
  • - In communities with only ectomycorrhizal trees, species richness positively influenced productivity, but this effect was not seen in communities composed solely of arbuscular mycorrhizal trees, highlighting the importance of mycorrhizal interactions in biodiversity-productivity dynamics.
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Neuroscientists studying the neural correlates of mouse behavior often lack access to the brain-wide activity patterns elicited during a specific task of interest. Fortunately, large-scale imaging is becoming increasingly accessible thanks to modalities such as Ca2+ imaging and functional ultrasound (fUS). However, these and other techniques often involve challenging cranial window procedures and are difficult to combine with other neuroscience tools.

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Perioperative anxiety is common among patients undergoing surgery, potentially leading to negative outcomes. Immersive virtual reality (VR) has shown promise in reducing anxiety in various clinical settings. This study aimed to evaluate the effectiveness of VR in reducing perioperative anxiety in patients undergoing gynecological oncology surgery and was conducted as a single-center, double-arm, single-blinded randomized controlled trial at the Gold Coast University Hospital, Queensland, Australia.

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An industrial-scale pharmaceutical powder blending process was studied via discrete element method (DEM) simulations. A DEM model of two active pharmaceutical ingredient (API) components and a combined excipient component was calibrated by matching the simulated response in a dynamic angle of repose tester to the experimentally observed response. A simulation of the 25-minute bin blending process predicted inhomogeneous API distributions along the rotation axis of the blending container.

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